What products does Phosphorus Cybersecurity sell?

Phosphorus Cybersecurity sells Phosphorus Unified xIoT Security Mgmt Platform, Phosphorus xIoT Global Device Network, Phosphorus xIoT Security & Mgmt Platform, Phosphorus Firmware & Patch Management, and Phosphorus Password Mgmt for xIoT.

Phosphorus Cybersecurity

Cyber-Physical SecurityNashville, United Statesfounded 2017acquired by Dragos

Phosphorus Cybersecurity is a cybersecurity company specializing in Cyber-Physical Security, founded in 2017 and headquartered in Nashville, United States. It has raised $70M in equity across 4 priced rounds, employs about 70 people, and was acquired by Dragos in 2026.

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updated Sep 12, 2026

Latest Phosphorus Cybersecurity news and company activity

What Phosphorus Cybersecurity did, dated — selected moves from the record, one per kind, newest first.

Jun 2026AcquiredDragos Acquires Phosphorus to Bring OT-Native Cybersecurity to the Full xOT Environment
Mar 2026RecognitionPhosphorus Cybersecurity Finalist for 2 SC Awards
Nov 2025Pricing changePhosphorus Declares Independence from Opaque CPS Security Pricing and Passive Discovery Vendors
Sep 2025Exec change

Phosphorus Cybersecurity Momentum score

42/ 100

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Phosphorus Cybersecurity products

Phosphorus Cybersecurity funding

Phosphorus Cybersecurity has raised $70M in priced equity. Its most recent round was a Venture Round in April 2025.

Equity raised: $70M4 priced rounds
Last round: Venture RoundApr 2025

View the complete funding history

Phosphorus Cybersecurity employees and hiring

Phosphorus Cybersecurity has about 70 employees, up 2% over the last 30 days.

Employees: 70
30-day change: +2%
Open roles: 0

See hiring trends

Phosphorus Cybersecurity competitors

Security professionals most often compare Phosphorus Cybersecurity against Dragos on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.

Dragos

by search demand for comparison pages on cybersectools.com, 90 days

View the competitive set with overlap scores

The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security

Similar in Cyber-Physical Security

Common questions about Phosphorus Cybersecurity.

How much funding has Phosphorus Cybersecurity raised?: Phosphorus Cybersecurity has raised $70M in priced equity. Its most recent round was a Venture Round in April 2025.
How many people work at Phosphorus Cybersecurity?: Phosphorus Cybersecurity has about 70 employees, up 2% over the last 30 days.
Who are Phosphorus Cybersecurity's competitors?: Security professionals most often compare Phosphorus Cybersecurity against Dragos on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.
What does Phosphorus Cybersecurity do?: Phosphorus Cybersecurity is a cybersecurity company specializing in Cyber-Physical Security, founded in 2017 and headquartered in Nashville, United States.
What products does Phosphorus Cybersecurity sell?: Phosphorus Cybersecurity sells Phosphorus Unified xIoT Security Mgmt Platform, Phosphorus xIoT Global Device Network, Phosphorus xIoT Security & Mgmt Platform, Phosphorus Firmware & Patch Management, and Phosphorus Password Mgmt for xIoT.